1. College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, People's Republic of China
2. Department of Engineering Mechanics and Center for X-Mechanics, Zhejiang University, Hangzhou 310027, People's Republic of China
3. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, People's Republic of China